NIBCO | sku: 93204 Nibco 4 In. Pvc Dwv Hub X Hub Solvent Weld P-Trap The NIBCO 4 in. PVC DWV P-Trap features a hub x hub connection and provides a water seal so that wastewater will automatically be trapped in the arc of the configuration, thereby preventing unwanted gases from entering the household environment. The... Log in for pricing